ctl.c revision 1.23.10.2
1 /* $NetBSD: ctl.c,v 1.23.10.2 2002/02/09 17:31:59 he Exp $ */ 2 3 /* 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) netbsd.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 #include <sys/ioctl.h> 42 #include <sys/audioio.h> 43 44 #include <err.h> 45 #include <fcntl.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 #include <paths.h> 52 53 #include "libaudio.h" 54 55 struct field *findfield __P((char *name)); 56 void prfield __P((struct field *p, char *sep)); 57 void rdfield __P((struct field *p, char *q)); 58 void getinfo __P((int fd)); 59 void audioctl_write __P((int, int, char *[])); 60 void usage __P((void)); 61 int main __P((int argc, char **argv)); 62 63 char *prog; 64 65 audio_device_t adev; 66 67 audio_info_t info; 68 69 char encbuf[1000]; 70 71 int properties, fullduplex, rerror; 72 73 struct field { 74 char *name; 75 void *valp; 76 int format; 77 #define STRING 1 78 #define INT 2 79 #define UINT 3 80 #define P_R 4 81 #define ULONG 5 /* XXX obsolete now */ 82 #define UCHAR 6 83 #define ENC 7 84 #define PROPS 8 85 #define XINT 9 86 #define FORMAT 10 87 char flags; 88 #define READONLY 1 89 #define ALIAS 2 90 #define SET 4 91 } fields[] = { 92 { "name", &adev.name, STRING, READONLY }, 93 { "version", &adev.version, STRING, READONLY }, 94 { "config", &adev.config, STRING, READONLY }, 95 { "encodings", encbuf, STRING, READONLY }, 96 { "properties", &properties, PROPS, READONLY }, 97 { "full_duplex", &fullduplex, UINT, 0 }, 98 { "fullduplex", &fullduplex, UINT, 0 }, 99 { "blocksize", &info.blocksize, UINT, 0 }, 100 { "hiwat", &info.hiwat, UINT, 0 }, 101 { "lowat", &info.lowat, UINT, 0 }, 102 { "monitor_gain", &info.monitor_gain, UINT, 0 }, 103 { "mode", &info.mode, P_R, READONLY }, 104 { "play", &info.play, FORMAT, ALIAS }, 105 { "play.rate", &info.play.sample_rate, UINT, 0 }, 106 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 107 { "play.channels", &info.play.channels, UINT, 0 }, 108 { "play.precision", &info.play.precision, UINT, 0 }, 109 { "play.encoding", &info.play.encoding, ENC, 0 }, 110 { "play.gain", &info.play.gain, UINT, 0 }, 111 { "play.balance", &info.play.balance, UCHAR, 0 }, 112 { "play.port", &info.play.port, XINT, 0 }, 113 { "play.avail_ports", &info.play.avail_ports, XINT, 0 }, 114 { "play.seek", &info.play.seek, UINT, READONLY }, 115 { "play.samples", &info.play.samples, UINT, READONLY }, 116 { "play.eof", &info.play.eof, UINT, READONLY }, 117 { "play.pause", &info.play.pause, UCHAR, 0 }, 118 { "play.error", &info.play.error, UCHAR, READONLY }, 119 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 120 { "play.open", &info.play.open, UCHAR, READONLY }, 121 { "play.active", &info.play.active, UCHAR, READONLY }, 122 { "play.buffer_size", &info.play.buffer_size, UINT, 0 }, 123 { "record", &info.record, FORMAT, ALIAS }, 124 { "record.rate", &info.record.sample_rate,UINT, 0 }, 125 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 126 { "record.channels", &info.record.channels, UINT, 0 }, 127 { "record.precision", &info.record.precision, UINT, 0 }, 128 { "record.encoding", &info.record.encoding, ENC, 0 }, 129 { "record.gain", &info.record.gain, UINT, 0 }, 130 { "record.balance", &info.record.balance, UCHAR, 0 }, 131 { "record.port", &info.record.port, XINT, 0 }, 132 { "record.avail_ports", &info.record.avail_ports,XINT, 0 }, 133 { "record.seek", &info.record.seek, UINT, READONLY }, 134 { "record.samples", &info.record.samples, UINT, READONLY }, 135 { "record.eof", &info.record.eof, UINT, READONLY }, 136 { "record.pause", &info.record.pause, UCHAR, 0 }, 137 { "record.error", &info.record.error, UCHAR, READONLY }, 138 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 139 { "record.open", &info.record.open, UCHAR, READONLY }, 140 { "record.active", &info.record.active, UCHAR, READONLY }, 141 { "record.buffer_size", &info.record.buffer_size,UINT, 0 }, 142 { "record.errors", &rerror, INT, READONLY }, 143 { 0 } 144 }; 145 146 static struct { 147 char *name; 148 u_int prop; 149 } props[] = { 150 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 151 { "mmap", AUDIO_PROP_MMAP }, 152 { "independent", AUDIO_PROP_INDEPENDENT }, 153 { 0 } 154 }; 155 156 struct field * 157 findfield(name) 158 char *name; 159 { 160 int i; 161 for (i = 0; fields[i].name; i++) 162 if (strcmp(fields[i].name, name) == 0) 163 return &fields[i]; 164 return 0; 165 } 166 167 void 168 prfield(p, sep) 169 struct field *p; 170 char *sep; 171 { 172 u_int v; 173 char *cm; 174 const char *encstr; 175 int i; 176 177 if (sep) 178 printf("%s%s", p->name, sep); 179 switch(p->format) { 180 case STRING: 181 printf("%s", (char*)p->valp); 182 break; 183 case INT: 184 printf("%d", *(int*)p->valp); 185 break; 186 case UINT: 187 printf("%u", *(u_int*)p->valp); 188 break; 189 case XINT: 190 printf("0x%x", *(u_int*)p->valp); 191 break; 192 case UCHAR: 193 printf("%u", *(u_char*)p->valp); 194 break; 195 case ULONG: 196 printf("%lu", *(u_long*)p->valp); 197 break; 198 case P_R: 199 v = *(u_int*)p->valp; 200 cm = ""; 201 if (v & AUMODE_PLAY) { 202 if (v & AUMODE_PLAY_ALL) 203 printf("play"); 204 else 205 printf("playsync"); 206 cm = ","; 207 } 208 if (v & AUMODE_RECORD) 209 printf("%srecord", cm); 210 break; 211 case ENC: 212 v = *(u_int*)p->valp; 213 encstr = audio_enc_from_val(v); 214 if (encstr) 215 printf("%s", encstr); 216 else 217 printf("%u", v); 218 break; 219 case PROPS: 220 v = *(u_int*)p->valp; 221 for (cm = "", i = 0; props[i].name; i++) { 222 if (v & props[i].prop) { 223 printf("%s%s", cm, props[i].name); 224 cm = ","; 225 } 226 } 227 break; 228 case FORMAT: 229 prfield(p + 1, 0); 230 printf(","); 231 prfield(p + 3, 0); 232 printf(","); 233 prfield(p + 4, 0); 234 printf(","); 235 prfield(p + 5, 0); 236 break; 237 default: 238 errx(1, "Invalid print format."); 239 } 240 } 241 242 void 243 rdfield(p, q) 244 struct field *p; 245 char *q; 246 { 247 int enc; 248 u_int u; 249 char *s; 250 251 switch(p->format) { 252 case UINT: 253 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 254 errx(1, "Bad number: %s", q); 255 break; 256 case UCHAR: 257 if (sscanf(q, "%u", &u) != 1) 258 errx(1, "Bad number: %s", q); 259 else 260 *(u_char *)p->valp = u; 261 break; 262 case XINT: 263 if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 && 264 sscanf(q, "%x", (unsigned int *)p->valp) != 1) 265 errx(1, "Bad number: %s", q); 266 break; 267 case ENC: 268 enc = audio_enc_to_val(q); 269 if (enc >= 0) 270 *(u_int*)p->valp = enc; 271 else 272 errx(1, "Unknown encoding: %s", q); 273 break; 274 case FORMAT: 275 s = strsep(&q, ","); 276 if (s) 277 rdfield(p + 1, s); 278 s = strsep(&q, ","); 279 if (s) 280 rdfield(p + 3, s); 281 s = strsep(&q, ","); 282 if (s) 283 rdfield(p + 4, s); 284 s = strsep(&q, ","); 285 if (s) 286 rdfield(p + 5, s); 287 if (!s || q) 288 errx(1, "Bad format"); 289 break; 290 default: 291 errx(1, "Invalid read format."); 292 } 293 p->flags |= SET; 294 } 295 296 void 297 getinfo(fd) 298 int fd; 299 { 300 int pos, i; 301 302 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 303 err(1, "AUDIO_GETDEV"); 304 for (pos = 0, i = 0; ; i++) { 305 audio_encoding_t enc; 306 enc.index = i; 307 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 308 break; 309 if (pos >= sizeof(encbuf)-1) 310 break; 311 if (pos) 312 encbuf[pos++] = ','; 313 if (pos >= sizeof(encbuf)-1) 314 break; 315 pos += snprintf(encbuf+pos, sizeof(encbuf)-pos, "%s:%d%s", 316 enc.name, enc.precision, 317 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 318 } 319 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 320 err(1, "AUDIO_GETFD"); 321 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 322 err(1, "AUDIO_GETPROPS"); 323 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 324 err(1, "AUDIO_RERROR"); 325 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 326 err(1, "AUDIO_GETINFO"); 327 } 328 329 void 330 usage() 331 { 332 333 fprintf(stderr, "Usage: %s [-f file] [-n] name ...\n", prog); 334 fprintf(stderr, "Usage: %s [-f file] [-n] -w name=value ...\n", prog); 335 fprintf(stderr, "Usage: %s [-f file] [-n] -a\n", prog); 336 exit(1); 337 } 338 339 int 340 main(argc, argv) 341 int argc; 342 char **argv; 343 { 344 int fd, i, ch; 345 int aflag = 0, wflag = 0; 346 const char *file; 347 char *sep = "="; 348 extern char *__progname; 349 350 file = getenv("AUDIOCTLDEVICE"); 351 if (file == 0) 352 file = _PATH_AUDIOCTL; 353 354 prog = __progname; 355 356 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 357 switch(ch) { 358 case 'a': 359 aflag++; 360 break; 361 case 'w': 362 wflag++; 363 break; 364 case 'n': 365 sep = 0; 366 break; 367 case 'f': 368 file = optarg; 369 break; 370 case '?': 371 default: 372 usage(); 373 } 374 } 375 argc -= optind; 376 argv += optind; 377 378 fd = open(file, O_WRONLY); 379 if (fd < 0) 380 fd = open(file, O_RDONLY); 381 #ifdef _PATH_OAUDIOCTL 382 /* Allow the non-unit device to be used. */ 383 if (fd < 0 && file == _PATH_AUDIOCTL) { 384 file = _PATH_OAUDIOCTL; 385 fd = open(file, O_WRONLY); 386 if (fd < 0) 387 fd = open(file, O_RDONLY); 388 } 389 #endif 390 if (fd < 0) 391 err(1, "%s", file); 392 393 if (!wflag) 394 getinfo(fd); 395 396 if (argc == 0 && aflag && !wflag) { 397 for (i = 0; fields[i].name; i++) { 398 if (!(fields[i].flags & ALIAS)) { 399 prfield(&fields[i], sep); 400 printf("\n"); 401 } 402 } 403 } else if (argc > 0 && !aflag) { 404 if (wflag) { 405 audioctl_write(fd, argc, argv); 406 if (sep) { 407 getinfo(fd); 408 for (i = 0; fields[i].name; i++) { 409 if (fields[i].flags & SET) { 410 printf("%s: -> ", fields[i].name); 411 prfield(&fields[i], 0); 412 printf("\n"); 413 } 414 } 415 } 416 } else { 417 struct field *p; 418 while (argc--) { 419 p = findfield(*argv); 420 if (p == 0) { 421 if (strchr(*argv, '=')) 422 warnx("field %s does not exist (use -w to set a variable)", *argv); 423 else 424 warnx("field %s does not exist", *argv); 425 } else { 426 prfield(p, sep); 427 printf("\n"); 428 } 429 argv++; 430 } 431 } 432 } else 433 usage(); 434 exit(0); 435 } 436 437 void 438 audioctl_write(fd, argc, argv) 439 int fd; 440 int argc; 441 char *argv[]; 442 { 443 struct field *p; 444 445 AUDIO_INITINFO(&info); 446 while (argc--) { 447 char *q; 448 449 q = strchr(*argv, '='); 450 if (q) { 451 *q++ = 0; 452 p = findfield(*argv); 453 if (p == 0) 454 warnx("field `%s' does not exist", *argv); 455 else { 456 if (p->flags & READONLY) 457 warnx("`%s' is read only", *argv); 458 else { 459 rdfield(p, q); 460 if (p->valp == &fullduplex) 461 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 462 err(1, "set failed"); 463 } 464 } 465 } else 466 warnx("No `=' in %s", *argv); 467 argv++; 468 } 469 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 470 err(1, "set failed"); 471 } 472
Indexes created Mon Oct 27 08:10:08 GMT 2025